Cleaning Gasket Surfaces

WARNING: This page is about a different car, the 2019 GMC Savana 3500, 2019 GMC Savana 2500, 2019 Chevrolet Express 3500, and 2019 Chevrolet Express 2500. However, it is still accessible from the selected car via links, so may be relevant.

Remove all gasket and sealing material from the part using the J 28410 remover or equivalent.
Care must be used to avoid gouging or scraping the sealing surfaces.
Do not use any other method or technique to remove sealant or gasket material from a part.
Do not use abrasive pads, sand paper, or power tools to clean the gasket surfaces.
- These methods of cleaning can cause damage to the component sealing surfaces.
- Abrasive pads also produce a fine grit that the oil filter cannot remove from the oil.
- This grit is abrasive and has been known to cause internal engine damage.